Patent · US Expired

Liquid crystal thiol compounds

US5498366A · kind A · utility

1Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 1994
Grant dateMar 12, 1996
Priority date
Expiry dateJun 14, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2019/3422
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

##STR1## Compounds of formula (I) where R is C.sub.1-15 alkyl, X is hydrogen, fluorine or chlorine, m and n are independently selected 1 or 0, W is C.sub.1-15 alkyl or alkoxy, CN or halogen, rings A and B are independently selected from phenyl, laterally fluoro- or chloro- substituted phenyl, transcyclohexyl, pyridyl, pyrimidyl or dioxanyl. Preferred embodiments have R=C.sub.3-8 and where W is alkyl or alkoxy then it is also preferable that W=C.sub.3-8. Where m=0, then preferably W=CN, and where m=1, then preferably W=alkyl.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.